<template>
   <div id="app">
     <router-link to="/auth">按钮鉴权</router-link>
    |
    <router-link to="/tab">tab切换</router-link>
    |
    <router-link to="/goods">商品案例</router-link>
    |
    <router-link to="/modal">模态框</router-link>

    <keep-alive>
      <router-view></router-view>
    </keep-alive>
   </div>
</template>
